Tu Van Giam Sat Thiet Ke - Xay Dung Va Thuong Mai Hoang Lien Joint Stock Company Address: No 133, Iii Quarter, Mau A Town, Van Yen District, Yen Bai Province Enterprise code: 5200266951 Phone: 0216834269 Representative: Nguyen Van Hoa Adress: Civil Group 22, Hong Ha Ward, Yen Bai City, Yen Bai Province Mau A Town, Van Yen District, Yen Bai ProvinceFounding date: 4 - 1 - 2007